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Sibold William John
President and CEO, DirectorCIK: 0001518611
Sibold William John, President and CEO, Director, has filed 4 insider trading reports covering 1 company. Total disclosed trading volume is $14.1M. Sales ($5.9M) outpace purchases ($0) over this period. Insider sales are common for diversification and personal financial planning and should be evaluated with full context. The largest single filing involves MADRIGAL PHARMACEUTICALS, INC. (MDGL). All transactions sourced from SEC Form 4 filings.
Total Volume
$14.1M
Purchases
$0
Sales
$5.9M
Companies
1
Trading History (4 filings)
Sell
$718.3K
1 sale1 grant
Sibold William JohnPresident and CEO, Director
Filed Jan 26, 2026
Sell
$776.5K
1 sale
Sell
$1.4M
1 sale
Sibold William JohnPresident and CEO, Director
Filed Aug 21, 2025
Sell
$3.0M
2 sales